STIGQter: STIG Summary: Canonical Ubuntu 18.04 LTS Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

The Ubuntu operating system must have an application firewall installed in order to control remote access methods.

DISA Rule

SV-219161r610963_rule

Vulnerability Number

V-219161

Group Title

SRG-OS-000297-GPOS-00115

Rule Version

UBTU-18-010023

Severity

CAT II

CCI(s)

• CCI-002314 - The information system controls remote access methods.

Weight

10

Fix Recommendation

Install the Uncomplicated Firewall by using the following command:

# sudo apt-get install ufw

Check Contents

Verify that the Uncomplicated Firewall is installed.

Check that the Uncomplicated Firewall is installed with the following command:

# dpkg -l | grep ufw

ii ufw 0.35-0Ubuntu2

If the "ufw" package is not installed, ask the System Administrator is another application firewall is installed. If no application firewall is installed this is a finding.

Vulnerability Number

V-219161

Documentable

False

Rule Version

UBTU-18-010023

Severity Override Guidance

Verify that the Uncomplicated Firewall is installed.

Check that the Uncomplicated Firewall is installed with the following command:

# dpkg -l | grep ufw

ii ufw 0.35-0Ubuntu2

If the "ufw" package is not installed, ask the System Administrator is another application firewall is installed. If no application firewall is installed this is a finding.

Check Content Reference

M

Target Key

4055

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